Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Market context
The market resolves whether the S&P 500 closes higher on Monday, 13 July 2026, than its previous trading day’s close. With the index currently at $7,550.6 and trading above both its 50-day and 200-day simple moving averages, the underlying trend remains bullish following a spring correction [1]. The crowd-implied 4% probability for an “Up” move suggests traders expect a decline, yet this contradicts the prevailing technical structure where the index holds firmly above the $7,000–$7,200 support zone that defines the long-term uptrend [1].
Historically, markets trading above their 200-day average with a resumed uptrend after a correction rarely reverse sharply on a single day without a major catalyst, making a 96% “Down” probability appear statistically anomalous against the current price action [1]. Comparable cases from recent bull phases show that when the index sustains levels above key moving averages, daily declines are typically short-lived and followed by quick recoveries, framing the current low YES probability as potentially misaligned with the established trend.
Traders should monitor the Federal Reserve’s upcoming policy statements and any surprise economic data releases scheduled for mid-July, as these could act as catalysts for volatility [1]. While no specific announcement is confirmed for 13 July, the dependency on macroeconomic sentiment remains critical; any unexpected shift in inflation expectations or interest rate guidance could disrupt the current bullish trajectory. The index’s position above $7,500 suggests resilience, but traders must watch for volume spikes or breakdowns below the 50-day average as early warning signals.
Sources: 1
Methodology
Sports-specific comparison page for S&P 500 (SPX) Up or Down on July 13?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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